20525050153 has 8 divisors (see below), whose sum is σ = 20550745800. Its totient is φ = 20499373440.

The previous prime is 20525050151. The next prime is 20525050159. The reversal of 20525050153 is 35105052502.

It can be written as a sum of positive squares in 4 ways, for example, as 7370565904 + 13154484249 = 85852^2 + 114693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20525050153 - 2¹ = 20525050151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20525050151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3772351 + ... + 3777787.

It is an arithmetic number, because the mean of its divisors is an integer number (2568843225).

Almost surely, 2^20525050153 is an apocalyptic number.

It is an amenable number.

20525050153 is a deficient number, since it is larger than the sum of its proper divisors (25695647).

20525050153 is a wasteful number, since it uses less digits than its factorization.

20525050153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467.

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 20525050153 in words is "twenty billion, five hundred twenty-five million, fifty thousand, one hundred fifty-three".